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For reference, I was using the openItems property to make sure I printed only the open parts of my grouped data on my ADG.
openItems in now moved to HierarchicalCollectionView. It can be accessed easily as adg.dataProvider.openItems
Thanks for the reply, unfortunately I am not using a HierarchicalCollectionView as my dataprovider but a GroupingCollection which is not a child of HierarchicalCollectionView. This data type does not have an openNodes option. How do I go about switching from GroupingCollection to HierarchicalCollectionView?
When the user sets the dataprovider the grouoing collection will get converted to HCV internally. Hence, the above mentioned solution should work even for GC data provider.